[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray](https://indike.org/pramana/ins.science.ray-1956) › c36.s7.17 # History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s7.17 History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c36.s7.17 - **Language:** English ### [c36.s7.17](https://indike.org/pramana/ins.science.ray-1956.c36.s7.17) "Rub gold-leaf with four times its weight of \*killed\* mercury (i e sulphide of mercury) and sublime the mixture in a closed crucible. On repeating the process eight times, the gold is \*killed\*." - [Previous: c36.s7.16](https://indike.org/pramana/ins.science.ray-1956.c36.s7.16) - [Next: c36.s7.18](https://indike.org/pramana/ins.science.ray-1956.c36.s7.18) - [Up: c36.s7](https://indike.org/pramana/ins.science.ray-1956.c36.s7) --- Source: [https://indike.org/pramana/ins.science.ray-1956.c36.s7.17](https://indike.org/pramana/ins.science.ray-1956.c36.s7.17) · Pramāṇa